Principal Site Reliability Engineer

Zscaler • San Jose, CA

19h • Hybrid

About The Position

We are looking for a Principal Site Reliability Engineer to join our Infrastructure services and architecture team. This role is hybrid 3 days a week onsite in San Jose, CA, or can be remote reporting to the Senior Manager, Cloud Operations. As a lead engineer, you will leverage deep expertise in IaC/CaC, Linux virtualization, and physical hardware management to drive our infrastructure forward. You will oversee networking services and general software engineering to ensure our systems remain scalable, resilient, and high-performing.

Requirements

• Expert-level proficiency with Kubernetes
• Deep professional experience with Terraform and Ansible
• Expert-level programming skills in Python or Go
• Hands-on experience with Enterprise Linux distributions such as Rocky, Red Hat, or Alma
• Proven experience using Git within a structured SDLC
• U.S. citizenship due to the nature of the customers assigned to this role

Nice To Haves

• Deep knowledge of Linux Hypervisors, including OpenStack, Proxmox, libvirt, or QEMU
• Technical experience working with FreeBSD
• Familiarity with Identity Access Management tools like HashiCorp Vault, LDAP, or OIDC

Responsibilities

• Mentor junior engineers and lead high-impact infrastructure projects
• Support business operations by responding to alerts and triaging systems to restore mission-critical capabilities
• Ensure the reliability and performance of all customer-facing services
• Design, document, and build technical solutions that align with evolving organizational needs
• Support Agile processes to maintain high velocity and a collaborative environment

Benefits

• Various health plans
• Time off plans for vacation and sick time
• Parental leave options
• Retirement options
• Education reimbursement
• In-office perks

What This Job Offers

• Job Type: Full-time
• Career Level: Principal
• Education Level: No Education Listed